Home / 389,081.00-536,932.73-217,010.10

Finding the Fourth Proportional to 389,081.00, 536,932.73 and 217,010.10

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Solution

The fourth proportional to 389,081.00, 536,932.73 and 217,010.10 is: 299,474.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,081.00 : 536,932.73 = 217,010.10 : x
  2. Step 2: Convert to fraction form
    389,081.00/536,932.73 = 217,010.10/x
  3. Step 3: Cross multiply
    389,081.00x = 536,932.73 × 217,010.10
  4. Step 4: Simplify right side
    389,081.00x = 116,519,827,986.60
  5. Step 5: Solve for x
    x = 116,519,827,986.60/389,081.00
  6. Step 6: Final answer
    x = 299,474.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.